Model Form #1
log10(SSR) =
- 1 + 0.9 log10(TURB)
+ 0.582 log10(Q)
where:
- SSR is computed suspended sediment, in milligrams per liter
- TURB is turbidity, YSI model 6136, in formazin nephelometric units
- Q is computed discharge, stage-discharge rating curve, in cubic feet per second
Model Archive Summary
The model archive summary for computed suspended sediment can be viewed in pdf form here.
Model Calibration
Basic Data
| Number of measurements: | 80 |
|---|---|
| Mean squared error: | 0.0625 |
| Multiple R2: | 0.811 |
| Bias correction (smearing) factor: | 1.26 |
Explanatory Variables
| Variable | Value | Standard error |
|---|---|---|
| Intercept | -1 | 0.24 | log10(TURB) | 0.9 | 0.0917 | log10(Q) | 0.582 | 0.106 |
Correlation Matrix
| Intercept | log10(TURB) | log10(Q) | |
|---|---|---|---|
| Intercept | 1 | -0.0766 | -0.702 |
| log10(TURB) | -0.0766 | 1 | -0.651 |
| log10(Q) | -0.702 | -0.651 | 1 |
Reference
- Gyves, M.C., 2021, Surrogate regression models for computation of time series suspended-sediment concentrations, Chester County, Pennsylvania (2020): U.S. Geological Survey data release